The 38-year-old Woojoo moved back to his hometown after his mother died and experienced a fantastic experience. After an unexpected pregnancy, Woojoo gave up his dream of becoming an artist. Woojoo found his past back to her. When she met two women by chance, she was surprised. They were 19 and 26 years old, both named Song Yuzhu, and had experienced the same life events as her. Now, she is faced with an opportunity to reflect and may affect her life regret when Christmas is coming.